mirror of
https://github.com/josdejong/mathjs.git
synced 2026-01-18 14:59:29 +00:00
47 lines
1022 B
Markdown
47 lines
1022 B
Markdown
# Function sin
|
|
|
|
Calculate the sine of a value.
|
|
|
|
For matrices, the function is evaluated element wise.
|
|
|
|
|
|
## Syntax
|
|
|
|
```js
|
|
math.sin(x)
|
|
```
|
|
|
|
### Parameters
|
|
|
|
Parameter | Type | Description
|
|
--------- | ---- | -----------
|
|
`x` | Number | BigNumber | Boolean | Complex | Unit | Array | Matrix | null | Function input
|
|
|
|
### Returns
|
|
|
|
Type | Description
|
|
---- | -----------
|
|
Number | BigNumber | Complex | Array | Matrix | Sine of x
|
|
|
|
|
|
## Examples
|
|
|
|
```js
|
|
math.sin(2); // returns Number 0.9092974268256813
|
|
math.sin(math.pi / 4); // returns Number 0.7071067811865475
|
|
math.sin(math.unit(90, 'deg')); // returns Number 1
|
|
math.sin(math.unit(30, 'deg')); // returns Number 0.5
|
|
|
|
var angle = 0.2;
|
|
math.pow(math.sin(angle), 2) + math.pow(math.cos(angle), 2); // returns Number ~1
|
|
```
|
|
|
|
|
|
## See also
|
|
|
|
[cos](cos.md),
|
|
[tan](tan.md)
|
|
|
|
|
|
<!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. -->
|